Is there tree senescence? The fecundity evidence
Tong Qiu
(1)
,
Marie-Claire Aravena
(2)
,
Robert Andrus
(3)
,
Davide Ascoli
(4)
,
Yves Bergeron
(5)
,
Roberta Berretti
(4)
,
Michal Bogdziewicz
(6)
,
Thomas Boivin
(7)
,
Raul Bonal
(8)
,
Thomas Caignard
(9)
,
Rafael Calama
(10)
,
J. Julio Camarero
(11)
,
Connie Clark
(1)
,
Benoit Courbaud
(12)
,
Sylvain Delzon
(9)
,
Sergio Donoso Calderon
(2)
,
William Farfan-Rios
(13)
,
Catherine Gehring
(14)
,
Gregory Gilbert
(15)
,
Cathryn Greenberg
(16)
,
Qinfeng Guo
(17)
,
Janneke Hille Ris Lambers
(18)
,
Kazuhiko Hoshizaki
(19)
,
Ines Ibanez
(20)
,
Valentin Journé
(12)
,
Christopher Kilner
(1)
,
Richard Kobe
(21)
,
Walter Koenig
(22)
,
Georges Kunstler
(12)
,
Jalene Lamontagne
(23)
,
Mateusz Ledwon
(24)
,
James Lutz
(25, 26)
,
Renzo Motta
(4)
,
Jonathan Myers
(27)
,
Thomas Nagel
(28)
,
Chase Nuñez
(29)
,
Ian Pearse
(30)
,
Łukasz Piechnik
(31)
,
John Poulsen
(1)
,
Renata Poulton-Kamakura
(1)
,
Miranda Redmond
(32)
,
Chantal Reid
(1)
,
Kyle Rodman
(33)
,
C. Lane Scher
(1)
,
Harald Schmidt van Marle
(2)
,
Barbara Seget
(31)
,
Shubhi Sharma
(1)
,
Miles Silman
(34)
,
Jennifer Swenson
(1)
,
Margaret Swift
(1)
,
Maria Uriarte
(35)
,
Giorgio Vacchiano
(36)
,
Thomas Veblen
(3)
,
Amy Whipple
(14)
,
Thomas Whitham
(14)
,
Andreas Wion
(37)
,
S. Joseph Wright
(38)
,
Kai Zhu
(15)
,
Jess Zimmerman
(39)
,
Magdalena Żywiec
(31)
,
James Clark
(1, 12)
1
Nicholas School of the Environment
2 UCHILE - Universidad de Chile = University of Chile [Santiago]
3 University of Colorado [Boulder]
4 UNITO - Università degli studi di Torino = University of Turin
5 UQAT - University of Quebec in Abitibi-Temiscamingue
6 UAM - Uniwersytet im. Adama Mickiewicza w Poznaniu = Adam Mickiewicz University in Poznań
7 URFM - Ecologie des Forêts Méditerranéennes
8 UCM - Universidad Complutense de Madrid = Complutense University of Madrid [Madrid]
9 BioGeCo - Biodiversité, Gènes & Communautés
10 INIA-CIFOR - Centro de Investigacion Forestal
11 IPE - CSIC - Instituto Pirenaico de Ecologìa = Pyrenean Institute of Ecology [Zaragoza]
12 UR LESSEM - Laboratoire des EcoSystèmes et des Sociétés en Montagne
13 Missouri Botanical Garden
14 Northern Arizona University [Flagstaff]
15 UC Santa Cruz - University of California [Santa Cruz]
16 US DEPARTMENT OF AGRICULTURE FOREST SERVICE USA
17 Eastern Forest Environmental Threat Assessment Center
18 ETH Zürich - Eidgenössische Technische Hochschule - Swiss Federal Institute of Technology [Zürich]
19 Akita University
20 University of Michigan [Ann Arbor]
21 Michigan State University [East Lansing]
22 UC Berkeley - University of California [Berkeley]
23 DePaul University [Chicago]
24 PAN - Polska Akademia Nauk = Polish Academy of Sciences = Académie polonaise des sciences
25 Department of Wildland Resources
26 USU - Utah State University
27 WUSTL - Washington University in Saint Louis
28 University of Ljubljana
29 Max Planck Institute of Animal Behavior
30 FORT - Fort Collins Science Center
31 W. Szafer Institute of Botany
32 Department of Forest and Rangeland Stewardship
33 University of Wisconsin-Madison
34 Wake Forest University
35 Columbia University [New York]
36 Department and Agricultural & Environmental Sciences, (DiSAA)
37 CSU - Colorado State University [Fort Collins]
38 Smithsonian Tropical Research Institute
39 UPR - University of Puerto Rico
2 UCHILE - Universidad de Chile = University of Chile [Santiago]
3 University of Colorado [Boulder]
4 UNITO - Università degli studi di Torino = University of Turin
5 UQAT - University of Quebec in Abitibi-Temiscamingue
6 UAM - Uniwersytet im. Adama Mickiewicza w Poznaniu = Adam Mickiewicz University in Poznań
7 URFM - Ecologie des Forêts Méditerranéennes
8 UCM - Universidad Complutense de Madrid = Complutense University of Madrid [Madrid]
9 BioGeCo - Biodiversité, Gènes & Communautés
10 INIA-CIFOR - Centro de Investigacion Forestal
11 IPE - CSIC - Instituto Pirenaico de Ecologìa = Pyrenean Institute of Ecology [Zaragoza]
12 UR LESSEM - Laboratoire des EcoSystèmes et des Sociétés en Montagne
13 Missouri Botanical Garden
14 Northern Arizona University [Flagstaff]
15 UC Santa Cruz - University of California [Santa Cruz]
16 US DEPARTMENT OF AGRICULTURE FOREST SERVICE USA
17 Eastern Forest Environmental Threat Assessment Center
18 ETH Zürich - Eidgenössische Technische Hochschule - Swiss Federal Institute of Technology [Zürich]
19 Akita University
20 University of Michigan [Ann Arbor]
21 Michigan State University [East Lansing]
22 UC Berkeley - University of California [Berkeley]
23 DePaul University [Chicago]
24 PAN - Polska Akademia Nauk = Polish Academy of Sciences = Académie polonaise des sciences
25 Department of Wildland Resources
26 USU - Utah State University
27 WUSTL - Washington University in Saint Louis
28 University of Ljubljana
29 Max Planck Institute of Animal Behavior
30 FORT - Fort Collins Science Center
31 W. Szafer Institute of Botany
32 Department of Forest and Rangeland Stewardship
33 University of Wisconsin-Madison
34 Wake Forest University
35 Columbia University [New York]
36 Department and Agricultural & Environmental Sciences, (DiSAA)
37 CSU - Colorado State University [Fort Collins]
38 Smithsonian Tropical Research Institute
39 UPR - University of Puerto Rico
Tong Qiu
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- ORCID : 0000-0003-4499-437X
Marie-Claire Aravena
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Yves Bergeron
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Michal Bogdziewicz
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Thomas Boivin
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Thomas Caignard
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Benoit Courbaud
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Sylvain Delzon
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William Farfan-Rios
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Gregory Gilbert
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Qinfeng Guo
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Ines Ibanez
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Christopher Kilner
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Richard Kobe
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Georges Kunstler
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Jalene Lamontagne
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Jonathan Myers
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Thomas Nagel
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John Poulsen
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Kyle Rodman
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Maria Uriarte
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Giorgio Vacchiano
- Fonction : Auteur
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Thomas Veblen
- Fonction : Auteur
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S. Joseph Wright
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Kai Zhu
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James Clark
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Résumé
Despite its importance for forest regeneration, food webs, and human economies, changes in tree fecundity with tree size and age remain largely unknown. The allometric increase with tree diameter assumed in ecological models would substantially overestimate seed contributions from large trees if fecundity eventually declines with size. Current estimates are dominated by overrepresentation of small trees in regression models. We combined global fecundity data, including a substantial representation of large trees. We compared size–fecundity relationships against traditional allometric scaling with diameter and two models based on crown architecture. All allometric models fail to describe the declining rate of increase in fecundity with diameter found for 80% of 597 species in our analysis. The strong evidence of declining fecundity, beyond what can be explained by crown architectural change, is consistent with physiological decline. A downward revision of projected fecundity of large trees can improve the next generation of forest dynamic models.
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